एपीए उद्धरण

Petros P Xanthakos. (1995). Bridge substructure and foundation design. Upper Saddle River, New Jersey: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Petros P Xanthakos. Bridge Substructure and Foundation Design. Upper Saddle River, New Jersey: Prentice-Hall, 1995.

एमएलए उद्धरण

Petros P Xanthakos. Bridge Substructure and Foundation Design. Upper Saddle River, New Jersey: Prentice-Hall, 1995.